so michelle obama teeming up with big bird to help fight childhood obesity. the coincides with the tour for the third anniversary of her let's move campaign. >> this is a terrific story. a hospital is marking an unlikely milestone by a truly extraordinary man. >> i work and this is how it works. just. >> he has been shining shoes at children's hospital of pittsburgh 32 years in that time, every tip received is donated to the free care fund. >> started working at the hospital in 1981. this week he will pass the $200,000 mark in donation autos wow. >> just his heart. the size of his heart is tremendous. >> amazing. one person can do so much. how often do you find people that nice? i mean really, that nice? >> he's a pure, good person. it's -- nothing but good in this man. >> everybody at the hospital just marvels at the generosity of a simple man shining shoes since 1957. low-key, soft spoken man admits it's good to be a hero. >> $200,000. >> helps big time. >> it is. >> apple's siricv+á voice recognition getting fierce competition. >> yes. authorities partner